Black Box TS250A, Manual, Page: 30 / 64

Installing the Optical TAP
Chapter 3 Optical TAPs 30
rev. 1
Figure 7 Cabling the Optical TAP
To cable the Optical TAP, follow the steps outlined below. The
example and diagram show how to monitor the link between a server
and switch.
C
AUTION
Before you temporarily break the link between the device of
interest and the network, you may want to shut down access
to that device and notify users of the down time.
1
Disconnect the optical cable from the switch and connect it to the
TAP’s Link B port.
2
Use another full-duplex optical cable to connect the server, router,
firewall, or switch to the TAP’s Link A port, thus completing the
pass-through link.
3
Use a Y-cable (i.e., a splitter cable) to connect the TAP’s Analyzer
port to the receive sockets on your analyzer’s capture interface. Be
certain to connect the cable to the receive ports on the two NICs
in your analyzer.
4
Confirm that auto-negotiation on the receive NIC in your
analyzer is disabled. See the documentation for your NIC or